Home / 28,912,516.50-43,354,824.57-16,785,032.88

Finding the Fourth Proportional to 28,912,516.50, 43,354,824.57 and 16,785,032.88

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Solution

The fourth proportional to 28,912,516.50, 43,354,824.57 and 16,785,032.88 is: 25,169,450.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,912,516.50 : 43,354,824.57 = 16,785,032.88 : x
  2. Step 2: Convert to fraction form
    28,912,516.50/43,354,824.57 = 16,785,032.88/x
  3. Step 3: Cross multiply
    28,912,516.50x = 43,354,824.57 × 16,785,032.88
  4. Step 4: Simplify right side
    28,912,516.50x = 727,712,155,914,081.88
  5. Step 5: Solve for x
    x = 727,712,155,914,081.88/28,912,516.50
  6. Step 6: Final answer
    x = 25,169,450.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.